Edward C. Nolan is an Assistant Professor of Education at Moravian University. He has taught middle and high school mathematics for 19 years, served as an instructional coach and district supervisor, and provides professional development to K-12 teachers across North America. In 2005, he won the Presidential Award for Excellence in Mathematics and Science Teaching for secondary mathematics. His research interests lie in making sense of mathematics for teaching for teachers, both preservice and in-service, through what they notice and how they respond to it, with a focus on questioning.